def args_test(x, y, *args):
  print(x, y, args)
args_test(1,2,3,4,5)
1 2 (3, 4, 5)

def kwargs_test(**kwargs):
  print(kwargs)
kwargs_test(a=1, b=2, c=3)
{'a': 1, 'c': 3, 'b': 2}

def param_test(arg, *args, **kwargs):
  print(arg, args, kwargs)
param_test(1, 3, 5, a=6, b=9)
1 (3, 5) {'b': 9, 'a': 6}